OneOctave – Play-Along Piano
iOS app by Jun Park. Music · Jun Park
- Store rating
- 0 / 5
- Store rating count
- 0
- Download price
- Free to download
- In-app purchases
- Unknown
- Version
- 1.1.0
- Listing last refreshed
- 2026-09-08
View the original store listing
Store description excerpt
OneOctave turns any MIDI into a play-along. You cover a small range of the keyboard — as few as 3 keys — and the app performs every note outside your window. So even hard pieces are within reach from your very first day. Falling notes show you exactly what to play. Anything you don't cover, OneOctave plays for you — so the music always sounds complete. WHAT YOU CAN DO • Start on just 3 keys, then grow to 5 keys, 1 octave, or 2 octaves • Three ways to play — Listen (watch it perform), Play (perform in time), Learn (the song waits for each note) • Import any MIDI (.mid) file and play along — it's saved to your library so it's never lost • Build your own song in the MIDI editor: tap notes onto the timeline, preview, and save • Slow the tempo, transpose to your range, or show the melody only while you learn • Bundled beginner tunes and warm-ups so you can start right away PRIVATE BY DESIGN OneOctave works fully offline. There's no account and no internet connection — nothing you play or create ever leaves your device.
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